Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
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9 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
32585 HI all islands1905 20060000 Oahuestablished
32586 HI all islands1984 20060000 Oahuestablished
1895108 HIHonolulu[No locality description provided; coordinates obscured by collector]2025 20060000 Oahu 
1618006 HIHonolulu[No locality description provided]2017 20060000 Oahuestablished
1618008 HIHonolulu[No locality description provided]2017 20060000 Oahuestablished
1618009 HIHonolulu[No locality description provided]2017 20060000 Oahuestablished
165182 HIHonoluluisland of Oahu2005 20060000 Oahuestablished
32767 HIHonoluluOahu1905 20060000 Oahuestablished
747942 HIHonoluluOahu, Kahawai Stream immediately downstream from Kalanianaole hwy (hwy 72) bridge in Waimanalo (UTM: 2361235N 632403E)2002 20060000 Oahuestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/22/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.